(a)[1]
State how the fuse safeguards the wires in the hairdryer.
(b(i))[2]
The hairdryer is labelled $240\,\text{V}$, $1500\,\text{W}$. It is turned on. Calculate the current in the hairdryer.
(b(ii))[1]
Suggest a reasonable current rating for the fuse.
(c)[1]
The hairdryer has no earth wire connected to the plug. State the feature of the hairdryer that makes it safe to use without an earth wire.